20139756

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{18443}}^1$

素因数の和:18470

約数の個数: 48

約数和(自身を含む): 57840384

約数和(自身を除く): 37700628

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 78, 84, 91, 156, 182, 273, 364, 546, 1092, 18443, 36886, 55329, 73772, 110658, 129101, 221316, 239759, 258202, 387303, 479518, 516404, 719277, 774606, 959036, 1438554, 1549212, 1678313, 2877108, 3356626, 5034939, 6713252, 10069878, 20139756]

約数ペア:

[(1, 20139756), (2, 10069878), (3, 6713252), (4, 5034939), (6, 3356626), (7, 2877108), (12, 1678313), (13, 1549212), (14, 1438554), (21, 959036), (26, 774606), (28, 719277), (39, 516404), (42, 479518), (52, 387303), (78, 258202), (84, 239759), (91, 221316), (156, 129101), (182, 110658), (273, 73772), (364, 55329), (546, 36886), (1092, 18443)]